front end updated

app.py

@@ -208,8 +208,8 @@ with gr.Blocks() as demo:
             image_input = gr.Image(type="filepath", label="Input Image")
             prompts_input = gr.Textbox(lines=2, placeholder="Enter prompts separated by commas...", label="Prompts")
             modality_dropdown = gr.Dropdown(
-                choices=BIOMEDPARSE_MODES.keys(),
-                value=BIOMEDPARSE_MODES.keys()[0],
+                choices=list(BIOMEDPARSE_MODES.keys()),
+                value=list(BIOMEDPARSE_MODES.keys())[0],
                 label="Modality"
             )
             submit_btn = gr.Button("Submit")